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发明名称
Apparatus for the electric transmission at a distance of rotary velocities
摘要
申请公布号
US2191083(A)
申请公布日期
1940.02.20
申请号
US19380226908
申请日期
1938.08.26
申请人
HASLER A.-G. WERKE FUR TELEPHONIE UND PRAZISIONS-MECHANIK
发明人
PESTALOZZI KARL
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