Pressure responsive device and diaphragm for use therein,申请号US19290409270-传众专利搜索

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发明名称	Pressure responsive device and diaphragm for use therein
摘要
申请公布号	US1893200(A)	申请公布日期	1933.01.03
申请号	US19290409270	申请日期	1929.11.23
申请人	BUILDERS IRON FOUNDRY	发明人	DOLBEY HARRY S.;JR. ED S. SMITH,
分类号	G01F1/38	主分类号	G01F1/38
代理机构		代理人
主权项
地址

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