Improvements in line-throwing apparatus,申请号GB19410013267-传众专利搜索

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发明名称	Improvements in line-throwing apparatus
摘要
申请公布号	GB550290(A)	申请公布日期	1943.01.01
申请号	GB19410013267	申请日期	1941.10.15
申请人	EDWARD FRANK SPANNER	发明人
分类号	F42B12/68	主分类号	F42B12/68
代理机构		代理人
主权项
地址

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