https://patents.google.com/patent/CN204252737U/en
CN204252737U - Be applied to the window that detachably wafts of container type house - Google...
A detachable bay window applied to a container house, comprising an outer window frame and a sash, characterized in that it also includes an inner window...
https://patents.google.com/patent/JP2002238602A/en
JP2002238602A - Sandal capable of detachably attaching strap to headed pin provided on one side, or...
PROBLEM TO BE SOLVED: To enlarge the range of use of sandals by simplifying the attachment or detachment of straps. SOLUTION: This sandal comprises one or...