| 摘要 |
PROBLEM TO BE SOLVED: To provide an attaching method for drum-type coil for which there is no possibility for a drum-type coil to be detached and dropped, and moreover for which the production cost is reduced. SOLUTION: On a network provided with a drum-type coil 2, the drum-type coil 2 is fixed in the state of inserting a shaft 1a, which is provided integrally with a terminal plate 1, passing through a central hole 2a of the drum type coil 2.
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