REPAIRING OF LEAKAGE FROM UNDERGROUND BURIED PIPE,申请号JP19770098489-传众专利搜索

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发明名称	REPAIRING OF LEAKAGE FROM UNDERGROUND BURIED PIPE
摘要
申请公布号	JPS5431620(A)	申请公布日期	1979.03.08
申请号	JP19770098489	申请日期	1977.08.16
申请人	OSAKA GAS CO LTD	发明人	NAKAYAMA KATSUHIKO
分类号	F16L55/16;F16L55/10	主分类号	F16L55/16
代理机构		代理人
主权项
地址

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