WAY TO MANUFACTURE STEEL THREADLESS BELLMOUTH PIPES OF OIL INDUSTRY RANGE OF PRODUCTS,申请号SU19904908109-传众专利搜索

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发明名称	WAY TO MANUFACTURE STEEL THREADLESS BELLMOUTH PIPES OF OIL INDUSTRY RANGE OF PRODUCTS
摘要
申请公布号	RU1834781(C)	申请公布日期	1993.08.15
申请号	SU19904908109	申请日期	1990.10.23
申请人	VSESOYUZNYJ NAUCHNO-ISSLEDOVATELSKIJ INSTITUT RAZRABOTKI I EKSPLUATATSII NEFTEPROMYSLOVYKH TRUB	发明人	GORELOV VIKTOR I;SUBBOTIN STANISLAV S
分类号	B23P11/02	主分类号	B23P11/02
代理机构		代理人
主权项
地址

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