Improvements relating to the ventilating of poultry houses, pig houses and the like,申请号GB19540030912-传众专利搜索

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发明名称	Improvements relating to the ventilating of poultry houses, pig houses and the like
摘要
申请公布号	GB763664(A)	申请公布日期	1956.12.12
申请号	GB19540030912	申请日期	1954.10.26
申请人	WILFRED HENRY HEARN	发明人
分类号	A01K1/00	主分类号	A01K1/00
代理机构		代理人
主权项
地址

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