Metallic packing for variable pressures,申请号US19330673818-传众专利搜索

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发明名称	Metallic packing for variable pressures
摘要
申请公布号	US2068723(A)	申请公布日期	1937.01.26
申请号	US19330673818	申请日期	1933.06.01
申请人	WHEELER HARLEY T	发明人	WHEELER HARLEY T.
分类号	F16J15/28	主分类号	F16J15/28
代理机构		代理人
主权项
地址

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