# Case number 33

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No. 69

Helicoid of constant negative curvature

In row 1

No. 216

Enneper surface

In row 1

No. 217

Enneper surface

In row 1

No. 943

Kuen's surface

In row 2

No. 191

Oblate rotational ellipsoid

In row 2

No. 192

Helicoid

In row 2

No. 190

Enneper surface of constant negative curvature

In row 2

No. 182

Rotational surface of constant positive curvature; spindle type

In row 3

No. 187

Brass plates of constant positive curvature

In row 3

No. 183

Rotational surfaces of constant positive curvature, bulge type

In row 3

No. 415

Brass plates of constant negative curvature

In row 3

No. 184

Helicoid of constant positive curvature

In row 4

No. 185

Enneper surface of constant positive curvature, elliptic type

In row 4

No. 186

Enneper surface of constant positive curvature, cyclic type

In row 4