You must prove you have it. It means you purchased it. There is an invoice. Another option: online access. One of the 2.
Any Ex site compliance audit / inspection / engineering / operation / repair work shall pay attention to this topic. Same goes for installation and design.
Otherwise the legal basis of Ex is missing.
Copy paste and share of standards do not work here. Immediate non compliance.
Keep up good work.
Arpad
There are… Link: http://entecerma.it/assets/uploads/forged_certificate/file/5c33736fe5a33.pdf More with others… keep eye on it. After
If gas, triangle. If dust, pentagon. If both? Both! Keep up good
Today’s challenge: H2 mixing into normal / daily gas piping network… 2-5-1o%?
… is listed here: link. No other Body can do ATEX type
arpadveress 
