NONPOLAR CONNECTING DEVICE, AND METHOD OF FORCIBLY CIRCULATING HOT WATER IN BATHTUB BY USING THE SAME
PROBLEM TO BE SOLVED: To provide a bathtub connecting device for forcible circulation free from problems caused by the resistance of a channel, that is, the clogging of a discharge port. SOLUTION: This nonpolar connecting device is composed of an outer fitting member, an inner fitting member, a part...
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