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发明名称
Tooth powder dispenser having sliding valves for dispensing measured quantities of powder
摘要
申请公布号
US2585299(A)
申请公布日期
1952.02.12
申请号
US19470778321
申请日期
1947.10.07
申请人
COOK MICHAEL E
发明人
COOK MICHAEL E.
分类号
A47K5/10
主分类号
A47K5/10
代理机构
代理人
主权项
地址
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