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AU485487B2 - Method of blackening ferrous metal surfaces - Google Patents
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AU485487B2 - Method of blackening ferrous metal surfaces - Google Patents

Method of blackening ferrous metal surfaces

Info

Publication number
AU485487B2
AU485487B2 AU67927/74A AU6792774A AU485487B2 AU 485487 B2 AU485487 B2 AU 485487B2 AU 67927/74 A AU67927/74 A AU 67927/74A AU 6792774 A AU6792774 A AU 6792774A AU 485487 B2 AU485487 B2 AU 485487B2
Authority
AU
Australia
Prior art keywords
blackening
ferrous metal
metal surfaces
ferrous
metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU67927/74A
Other versions
AU6792774A (en
Inventor
Jr. And Lawrence J. Balash John K. Howell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oxy Metal Industries Corp
Original Assignee
Oxy Metal Industries Corp
Filing date
Publication date
Priority claimed from US448168A external-priority patent/US3920486A/en
Application filed by Oxy Metal Industries Corp filed Critical Oxy Metal Industries Corp
Application granted granted Critical
Publication of AU6792774A publication Critical patent/AU6792774A/en
Publication of AU485487B2 publication Critical patent/AU485487B2/en
Expired legal-status Critical Current

Links

AU67927/74A 1974-04-16 Method of blackening ferrous metal surfaces Expired AU485487B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35914673A 1973-05-10 1973-05-10
US448168A US3920486A (en) 1973-05-10 1974-03-04 Method of blackening ferrous metal surfaces

Publications (2)

Publication Number Publication Date
AU6792774A AU6792774A (en) 1975-10-16
AU485487B2 true AU485487B2 (en) 1975-10-16

Family

ID=

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