发明授权
US4220351A Collapsible frames for baby carriers 失效
婴儿背带的可折叠框架

Collapsible frames for baby carriers
摘要:
A series of related collapsible lightweight frames are provided which are adapted to be used in conjunction with carriers or seats to form strollers, carriages, high chairs, and the like.
公开/授权文献
信息查询
0/0