AU764318A - Improvements in respirators - Google Patents

Improvements in respirators

Info

Publication number
AU764318A
AU764318A AU7643/18A AU764318A AU764318A AU 764318 A AU764318 A AU 764318A AU 7643/18 A AU7643/18 A AU 7643/18A AU 764318 A AU764318 A AU 764318A AU 764318 A AU764318 A AU 764318A
Authority
AU
Australia
Prior art keywords
respirators
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
AU7643/18A
Inventor
Watanabe Riichi
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU764318A publication Critical patent/AU764318A/en
Expired legal-status Critical Current

Links

AU7643/18A 1918-06-12 Improvements in respirators Expired AU764318A (en)

Publications (1)

Publication Number Publication Date
AU764318A true AU764318A (en) 1919-04-08

Family

ID=

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