ECONOMICAL STRETCHER BAR,申请号PL19940305722-传众专利搜索

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发明名称	ECONOMICAL STRETCHER BAR
摘要
申请公布号	PL305722(A1)	申请公布日期	1996.05.13
申请号	PL19940305722	申请日期	1994.11.04
申请人	IWANOWICZ ROMAN	发明人	IWANOWICZ ROMAN
分类号	E21D11/28;(IPC1-7):E21D11/28	主分类号	E21D11/28
代理机构		代理人
主权项
地址

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