PRODUCTION OF ARTIFICIAL GRAVEL FOR GRAVEL CULTIVATION,申请号JP19780152931-传众专利搜索

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发明名称	PRODUCTION OF ARTIFICIAL GRAVEL FOR GRAVEL CULTIVATION
摘要
申请公布号	JPS5581525(A)	申请公布日期	1980.06.19
申请号	JP19780152931	申请日期	1978.12.11
申请人	SUMITOMO CEMENT CO	发明人	TANAKA HIROFUMI;TOTANI YOUICHI;KAGEYAMA MIKIO
分类号	A01G1/00;A01G31/00	主分类号	A01G1/00
代理机构		代理人
主权项
地址

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