A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
273/70, 273/95
A63B 21/008 (2006.01)
Patent
CA 2018132
A B S T R A C T An under water exerciser is provided. The exerciser includes two tubular elements. The elements are relatively displaceable into each other and define between them a chamber having a variable volume. A passage is provided through which controlled displacement of water can take place into and out of the chamber.
Bereskin & Parr
Waterhouse John D.
LandOfFree
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