A - Human Necessities – 01 – K
Patent
A - Human Necessities
01
K
119/21
A01K 1/00 (2006.01) A01K 1/02 (2006.01)
Patent
CA 1295895
Title: A passage device for cattle. ABSTRACT A passage device for cattle comprising an opening closable by two doors hinged around vertical pins on either side of the opening, in which as viewed from the space accessible via the passage device, one door is openable only outwardly and the other door only inwardly.
557796
Macrae & Co.
N. V. Nederlandsche Apparatenfabriek Nedap
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