Improvements in or relating to the manufacture of gas masks,申请号GB19380034637-传众专利搜索

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发明名称	Improvements in or relating to the manufacture of gas masks
摘要
申请公布号	GB498901(A)	申请公布日期	1939.01.13
申请号	GB19380034637	申请日期	1937.07.13
申请人	"ROMAC" MOTOR ACCESSORIES LIMITED;REGINALD DONOVAN BOYCE	发明人
分类号	A62B18/02	主分类号	A62B18/02
代理机构		代理人
主权项
地址

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