Swimming instruction garment,申请号US19580742600-传众专利搜索

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发明名称	Swimming instruction garment
摘要
申请公布号	US3140549(A)	申请公布日期	1964.07.14
申请号	US19580742600	申请日期	1958.06.17
申请人	WAYFIELD DAVID J	发明人	WAYFIELD DAVID J.
分类号	A63B69/12	主分类号	A63B69/12
代理机构		代理人
主权项
地址

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