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发明名称
Anordning ved pneumatiske trykventiler og pneumatiske trykregulatorer med ringformet ventilsæde og med et af en membran styret ventillegeme.
摘要
申请公布号
DK72847(C)
申请公布日期
1951.07.30
申请号
DK19480003675
申请日期
1948.11.25
申请人
INGENIOERFIRMAET NIRA V/ NIELSEN OG RAVN
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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