Has anyone labelled this roll of drawings, or shall I open it to check?

How to say “Has anyone labelled this roll of drawings, or shall I open it to check?” in Japanese

In Japanese

この丸(まる)めた図面(ずめん)、何(なん)の図面(ずめん)か書(か)いてある？ なければ開(ひら)いて確認(かくにん)しようか。

Kono marumeta zumen, nan no zumen ka kaite aru? Nakereba hiraite kakunin shiyō ka.

Has anyone labelled this roll of drawings, or shall I open it to check? in other languages