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3474945
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Information
Patent Grant
3474945
References
Source
Patent Number
3,474,945
Date Filed
Not available
Date Issued
Tuesday, October 28, 1969
54 years ago
CPC
F16D25/04 - in which the fluid actuates an elastic clutching, i.e. elastic actuating member
B65H20/14 - by direct action on web of moving fluid
B65H23/18 - by controlling or regulating the web-advancing mechanism
B65H23/1888 - and controlling web tension
G03D3/14 - with means for taking into account of elongation or contraction of films
US Classifications
226 - Advancing material of indeterminate length
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