QUICK-DETACHABLE HATCH OF MANHOLE,申请号SU19894647745-传众专利搜索

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发明名称	QUICK-DETACHABLE HATCH OF MANHOLE
摘要
申请公布号	SU1655839(A1)	申请公布日期	1991.06.15
申请号	SU19894647745	申请日期	1989.02.07
申请人	GERASIMENKO VLADIMIR F,SU;SHTANKO KONSTANTIN V,SU	发明人	GERASIMENKO VLADIMIR F,SU;SHTANKO KONSTANTIN V,SU
分类号	B64C1/14	主分类号	B64C1/14
代理机构		代理人
主权项
地址

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