Swimming and underwater viewing apparatus,申请号US19550532325-传众专利搜索

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发明名称	Swimming and underwater viewing apparatus
摘要
申请公布号	US2926365(A)	申请公布日期	1960.03.01
申请号	US19550532325	申请日期	1955.09.02
申请人	AMERICAN MACHINE & FOUNDRY COMPANY	发明人	WILCOXON KENNETH H.
分类号	A63B35/10	主分类号	A63B35/10
代理机构		代理人
主权项
地址

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