Method of and apparatus for ventilating elevator cars,申请号US19400360060-传众专利搜索

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发明名称	Method of and apparatus for ventilating elevator cars
摘要
申请公布号	US2350389(A)	申请公布日期	1944.06.06
申请号	US19400360060	申请日期	1940.10.07
申请人	THE W. S. TYLER COMPANY	发明人	COULTON JOHN S.;DISBRO IRA R.
分类号	B66B11/02	主分类号	B66B11/02
代理机构		代理人
主权项
地址

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