Apparatus for forming seamless pipes or coatings,申请号US19420454907-传众专利搜索

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发明名称	Apparatus for forming seamless pipes or coatings
摘要
申请公布号	US2334027(A)	申请公布日期	1943.11.09
申请号	US19420454907	申请日期	1942.08.15
申请人	STANDARD OIL COMPANY OF CALIFORNIA	发明人	POSTLEWAITE WILLIAM R.
分类号	B28B21/52	主分类号	B28B21/52
代理机构		代理人
主权项
地址

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