TWI567017B
The present invention addresses the problem of providing: a film roll core which offers excellent handleability since both end portions thereof have sufficient strength and can be held, and achieves reduced weight and cost, and in which even if condensation occurs on the inner peripheral surface the...
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Main Authors | , , |
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Format | Patent |
Language | Chinese |
Published |
21.01.2017
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Subjects | |
Online Access | Get full text |
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