Tender-feed-water heater,申请号US19280298946-传众专利搜索

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发明名称	Tender-feed-water heater
摘要
申请公布号	US1789713(A)	申请公布日期	1931.01.20
申请号	US19280298946	申请日期	1928.08.11
申请人	C-S ENGINEERING COMPANY	发明人	SCHELLENS CHRISTOPHER A.
分类号	F22D1/42	主分类号	F22D1/42
代理机构		代理人
主权项
地址

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