Improvements in automatic sprinkler heads,申请号GB19330024143-传众专利搜索

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发明名称	Improvements in automatic sprinkler heads
摘要
申请公布号	GB424788(A)	申请公布日期	1935.02.28
申请号	GB19330024143	申请日期	1933.08.31
申请人	EDWARD FRANK SPANNER	发明人
分类号	A62C37/10	主分类号	A62C37/10
代理机构		代理人
主权项
地址

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