Boarding ladder mounting apparatus
作者： Richard J. Garelick , Robert A. Riemenschneider , Charles J. Hauck
DOI:
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摘要: A bracket is attachable to the side of a boat or dock and latch removably coupled said bracket. The pivotally attached upper end ladder so that can swing be adjustably angled with respect when it latched onto
lens.org 参考文章(5)
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