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发明名称
Sightglass construction
摘要
申请公布号
US3299851(A)
申请公布日期
1967.01.24
申请号
US19640380464
申请日期
1964.07.06
申请人
DANFOSS A/S
发明人
OLSEN ROBERT
分类号
F25B41/00;G01P13/00
主分类号
F25B41/00
代理机构
代理人
主权项
地址
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