In the illustrated embodiment, a rectangular closing member 15 for closing a third opening portion 32 formed in the casing 30 and a connector member 16 protruding from the outer wall of the closing member 15 are molded integral with the primary bobbin 11 and the connecting portion 14, at {HEAD ~ the free end} of {TAIL ~ the connecting portion} 14 
of
In the illustrated embodiment , a rectangular closing member 15 for closing a third opening portion 32 formed in the casing 30 and a connector member 16 protruding from the outer wall of the closing member 15 are molded integral with the primary bobbin 11 and the connecting portion 14 , at { HEAD ~ the free end } of { TAIL ~ the connecting portion } 14
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