amphibie vessel for moerasstreken. 7401383 310174 laselektrode for booglassen.

摘要

1431403 Endless track amphibious vehicles H J RIVET 16 Jan 1974 [30 Aug 1973] 33221/75 Divided out of 1431402 Headings B7A and B7H The subject-matter of this Specification is substantially the same as that described in copending Specification 1,431,402, but the claims relate to an amphibious craft having channel-shaped grousers with support blocks of plastics material.