Automatic expansion valve,申请号US19370154381-传众专利搜索

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发明名称	Automatic expansion valve
摘要
申请公布号	US2266756(A)	申请公布日期	1941.12.23
申请号	US19370154381	申请日期	1937.07.19
申请人	HILL WILLIAM C	发明人	HILL WILLIAM C.
分类号	F25B41/06;G05D23/12	主分类号	F25B41/06
代理机构		代理人
主权项
地址

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