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发明名称
LIQUID,POWDER OR HEAVIER GAS DISPENSER
摘要
申请公布号
GB9015989(D0)
申请公布日期
1990.09.05
申请号
GB19900015989
申请日期
1990.07.20
申请人
HALLAM, JOHN E
发明人
分类号
E03D9/03;F04B9/14;F04F3/00;G01F11/28
主分类号
E03D9/03
代理机构
代理人
主权项
地址
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