Blowpipe,申请号US19350011005-传众专利搜索

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发明名称	Blowpipe
摘要
申请公布号	US2101270(A)	申请公布日期	1937.12.07
申请号	US19350011005	申请日期	1935.03.14
申请人	FREYN ENGINEERING COMPANY	发明人	RICE OWEN R.
分类号	C21B7/16;F16L57/00	主分类号	C21B7/16
代理机构		代理人
主权项
地址

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