Product Description
ISBN: 9789354022968
TITLE: Subject-matter index of patents applied for and patents granted for the Year 1871
AUTHOR: Bennet Woodcroft
PUBLISHER: Alpha Edition
PUBLISHER DATE: 1 Jun 2020
ISBN: 9789354022968
TITLE: Subject-matter index of patents applied for and patents granted for the Year 1871
AUTHOR: Bennet Woodcroft
PUBLISHER: Alpha Edition
PUBLISHER DATE: 1 Jun 2020
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