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发明名称
Electro-pneumatically operated bed oscillator
摘要
申请公布号
US3392723(A)
申请公布日期
1968.07.16
申请号
US19650478297
申请日期
1965.08.09
申请人
RICHFIELD OIL CORPORATION
发明人
CALVIN CHARLES E.
分类号
A47C21/00;A61H1/00
主分类号
A47C21/00
代理机构
代理人
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