DK63538C -
Process for the preparation of resinous condensation products of phenols, similar substances and low molecular weight aldehydes.
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Process for the preparation of resinous condensation products of phenols, similar substances and low molecular weight aldehydes.
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DK260341A1939-09-271941-12-22
Process for the preparation of resinous condensation products of phenols, similar substances and low molecular weight aldehydes.
DK63538C
(en)