A rock bolt,申请号AU1994PM04737-传众专利搜索

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发明名称	A rock bolt
摘要
申请公布号	AUPM473794(D0)	申请公布日期	1994.04.21
申请号	AU1994PM04737	申请日期	1994.03.25
申请人	DU PONT AUSTRALIA;NEWCASTLE WALLSEND COAL CO PTY	发明人
分类号	E21D	主分类号	E21D
代理机构		代理人
主权项
地址

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