Pulsometer gas anchor and method of operating,申请号US19380196207-传众专利搜索

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发明名称	Pulsometer gas anchor and method of operating
摘要
申请公布号	US2179482(A)	申请公布日期	1939.11.14
申请号	US19380196207	申请日期	1938.03.16
申请人	ROKO CORPORATION	发明人	COBERLY CLARENCE J.
分类号	F04B47/00	主分类号	F04B47/00
代理机构		代理人
主权项
地址

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