METHOD OF REDUCING DECREASE OF STRESS IN PC CONCRETE PILE,申请号JP19770016606-传众专利搜索

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发明名称	METHOD OF REDUCING DECREASE OF STRESS IN PC CONCRETE PILE
摘要
申请公布号	JPS53102328(A)	申请公布日期	1978.09.06
申请号	JP19770016606	申请日期	1977.02.17
申请人	DENKI KAGAKU KOGYO KK	发明人	NAKAGAWA KOUJI;MATSUNAGA SHIROU;WATANABE YOSHIHARU
分类号	C04B22/14;C04B40/02	主分类号	C04B22/14
代理机构		代理人
主权项
地址

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