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- Google Patents
AU156632B2 - Improvements in handworked railway switch operating mechanism
- Google Patents
Improvements in handworked railway switch operating mechanism
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.)
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.)
HENRY WILLIAMS Ltd
Original Assignee
HENRY WILLIAMS Ltd
Filing date
Publication date
Application filed by HENRY WILLIAMS LtdfiledCriticalHENRY WILLIAMS Ltd
Application grantedgrantedCritical
Publication of AU1574353ApublicationCriticalpatent/AU1574353A/en
Publication of AU156632B2publicationCriticalpatent/AU156632B2/en