DIFF Subgroup
A47C 23/043 using wound springs
Introduced: July 1974
Full Title
Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases > using springs in compression, e.g. coiled > using wound springs
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
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