Recent
Class
Inventors
Assignees
Top Lists
Pricing
Account
Patents-Review.com
Home
Classification
B64D
B64D2700/00
B64D2700/62
B64D2700/62412
B64D2700/62421
ClassID:
72737
⎘
B64D2700/62421 - CPC Classification
Classification description:
Sub-classes:
B64D2700/62429 »
Flow lines; Couplings
0