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- Google Patents
AU485760B2 - Leak-resistant dry cells
- Google Patents
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.)
Ching Wa Pun And Ching Chau Poon
Original Assignee
Ching Wa Pun And Ching Chau Poon
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB45042/74Aexternal-prioritypatent/GB1506579A/en
Application filed by Ching Wa Pun And Ching Chau PoonfiledCriticalChing Wa Pun And Ching Chau Poon
Application grantedgrantedCritical
Publication of AU8578575ApublicationCriticalpatent/AU8578575A/en
Publication of AU485760B2publicationCriticalpatent/AU485760B2/en