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Publication of NL168862BpublicationCriticalpatent/NL168862B/en
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/58—Anti-side-tone circuits
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Devices For Supply Of Signal Current
(AREA)
NL7003370.B1951-04-18
METHOD FOR BONDING MATERIALS, SUCH AS PAPER, LEATHER, WOOD AND PLASTICS, USING A POLYESTER-BASED MELTING ADHESIVE.
NL168862B
(en)
PROCESS FOR THE PREPARATION OF THERMOPLASTIC COPOLYESTERS, PROCESS FOR THE PREPARATION OF AN ADHESIVE MIXTURE THEREOF AND FORMED OBJECTS, MADE BY APPLICATION OF THE COPOLYESTER OR THE ADHESIVE ADHESIVES THEREOF.