Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
Arabic
English
Greek
Italian
Norwegian Bokmål
Polish
Russian
Swedish
Terms
for subject
Drilling
containing
申请
|
all forms
|
in specified order only
Chinese
English
申请
专利范围
claim
钻井执照
申请
applications for permits to drill
Get short URL
