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The head of wooden golf club is made by: Squeezing the small piece of aluminum plate or foaming aluminum into mold and formming it, then supplying electricity to melt the small piece into core material, which makes up the head body.
TW085102713A1996-01-311996-03-04The head of wooden golf club
TW289734B
(en)
Sound and heat insulating compsn. - comprises liquid and solid parts, one contg. resin soln. and anionic cpd. and the other setting agent and bubble former