FLEXIBLE TROUGH- LIKE CANAL,申请号BG19860074409-传众专利搜索

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发明名称	FLEXIBLE TROUGH- LIKE CANAL
摘要
申请公布号	BG41592(A1)	申请公布日期	1987.07.15
申请号	BG19860074409	申请日期	1986.04.04
申请人	KALCHEV,IVAN S.	发明人	KALCHEV,IVAN S.
分类号	E02B13/00;(IPC1-7):E02B13/00	主分类号	E02B13/00
代理机构		代理人
主权项
地址

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