Positive pole charcoal piece is carried with opening notch carrier roller
The utility model relates to a carry and use technical field, concretely relates to positive pole charcoal piece is carried with opening notch carrier roller. Including well carbon alloy steel bearingroller and bearing frame, wherein, the bearing roller is equipped with in grooved carbon alloy steel...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
16.03.2018
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Subjects | |
Online Access | Get full text |
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