Device to obtain access to ice bound water supply,申请号US19560579642-传众专利搜索

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发明名称	Device to obtain access to ice bound water supply
摘要
申请公布号	US2838196(A)	申请公布日期	1958.06.10
申请号	US19560579642	申请日期	1956.04.20
申请人	CHAPMAN HAROLD E	发明人	CHAPMAN HAROLD E.
分类号	A62C33/00;E03B9/00	主分类号	A62C33/00
代理机构		代理人
主权项
地址

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