Vorrichtung zur Herstellung eines Gewindes mit ungleichförmiger Steigung,申请号AT19580004396-传众专利搜索

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发明名称	Vorrichtung zur Herstellung eines Gewindes mit ungleichförmiger Steigung
摘要
申请公布号	AT213192(B)	申请公布日期	1961.01.25
申请号	AT19580004396	申请日期	1958.06.23
申请人	N. V. DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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